Simplicity 9123; ©1970; Teen Boys' and Men's Shirt-Suit: The top-stitched pants with front fly zipper closing and waistband have front yoke, pockets and optional purchased belt and self-fabric carriers. The top-stitched shirt with notched collar, pleated patch pockets, button trimmed flaps and long set-in sleeves, pleated to buttoned cuffs may be worn with self-fabric belt slipped through carriers. V. 1 has front button closing. V. 2, 3 and 4 have optional front button closing.